A) 10. 21m.
B) 15.43m
C) 20.3m
D) 25.6m
Correct Answer: B
Solution :
\[u=11m/s\] \[a=mg\] \[=0.4\times 10=4m/{{s}^{2}}\] \[v=0\] So from \[{{v}^{2}}={{u}^{2}}+2as\] \[0={{(11)}^{2}}+2(-4)\times s\] \[s=\frac{11\times 11}{8}=15.125m\]You need to login to perform this action.
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